Patents
Patents for F21S 11 - Non-electric lighting devices or systems using daylight (1,674)
05/1989
05/23/1989US4833571 Folding solar reflector panel and assembly
04/1989
04/18/1989US4822123 Optical radiator
04/11/1989US4820020 For solar lighting
04/11/1989CA1252446A1 Sunshine illuminating device
04/04/1989CA1251974A1 Light diverting device
03/1989
03/29/1989EP0309168A1 Automatic solar lighting apparatus using a solar following sensor
03/28/1989US4815815 Device and a method of directing light energy to a predetermined area in the sea
03/09/1989DE3728798A1 Device for receiving, amplifying and transmitting light rays or heat rays
03/07/1989US4809675 Solar ray collecting device
01/1989
01/24/1989US4799629 Flying object for collecting solar rays
12/1988
12/14/1988EP0295152A2 Apparatus for following sun light
12/13/1988US4791533 Natural lighting apparatus
11/1988
11/22/1988CA1245087A1 Light by-passing device
11/15/1988CA1244695A1 Light diverting device
11/15/1988CA1244693A1 Light diverting and switching device
09/1988
09/13/1988US4770484 Light radiator
08/1988
08/30/1988US4766884 Accumulator arrangement for the sunlight energy
08/02/1988US4761716 Lighting system for building
07/1988
07/20/1988CN87107423A Flying object for collecting solar rays
07/19/1988US4758930 Luminous energy transmitter device
07/12/1988CA1239131A1 Light radiator
07/05/1988CA1238885A1 Light radiating device
07/05/1988CA1238884A1 Light radiator
05/1988
05/17/1988CA1236808A1 Lighting system combining daylight concentrators and an artificial source
04/1988
04/26/1988US4740048 Light radiator
03/1988
03/30/1988CN87106473A Solar ray collecting device
03/22/1988US4732443 Light radiator
03/22/1988CA1234305A1 Structure and implement for positioning the light- receiving edge of the light conductor onto the focus of the lens
03/17/1988DE3729553A1 Method for distributing light in a closed room
02/1988
02/09/1988US4723826 Lens type solar collector requiring no orientation system
01/1988
01/26/1988US4721350 Light distribution arrangement
01/19/1988US4720170 For the interior of a building using solar energy
01/07/1988EP0251162A2 Natural lighting apparatus
12/1987
12/29/1987US4715358 Automatic control of incident solar flux
12/08/1987US4711513 Light radiator for diffusing light rays which have been transmitted through an optical conductor
12/01/1987US4709999 Light radiator
11/1987
11/17/1987US4706649 Selectively switched shading for daylighting and the like
11/17/1987CA1229273A1 Solar ray collection apparatus
11/07/1987CN86205932U Sunlight reflector for indoor illumination
11/03/1987US4703995 Light radiator for diffusing and radiating light rays
10/1987
10/20/1987CA1228392A1 Skylight sensor and control system
10/13/1987US4699467 Arrangement for illuminating a room with daylight
10/13/1987US4699450 Device for diverting a portion of light energy transmitted through an optical conductor
09/1987
09/01/1987US4690490 Light diverting device
08/1987
08/20/1987DE3604472A1 Improvement for sunbathing at home
08/19/1987EP0232494A1 Panel for a building element
08/13/1987DE3604269A1 System for indirectly illuminating rooms with daylight
08/12/1987CN86108377A Light radiator
08/05/1987EP0230854A1 Transparent panel forming a part of a room in an architectural construction
08/04/1987US4684209 Device for diverting light through a plurality of optical conductor rods
07/1987
07/28/1987US4682844 Device for diverting the direction of light travelling through an optical conductor
06/1987
06/03/1987EP0224448A2 Luminous energy transmitter device
06/02/1987CA1222494A1 Method for illuminating a spot inside of a tunnel of a high way
05/1987
05/27/1987DE3540683A1 Optical device
05/05/1987US4662714 Integrated construction of a large number of optical conductor cables
04/1987
04/23/1987DE3545419A1 Device for illuminating interior spaces with natural daylight
04/21/1987US4659176 Structure and implement for positioning the light-receiving edge of the light conductor onto the focus of the lens
03/1987
03/31/1987US4653472 Solar ray energy collecting device
03/25/1987EP0215279A1 A light radiator
02/1987
02/24/1987US4645313 Light radiating device
01/1987
01/06/1987US4634222 Natural-light illumination enhancement assembly
01/06/1987US4634086 Solar ray collecting device for use in a spacecraft
01/06/1987CA1216183A1 Building construction panel
12/1986
12/23/1986US4630892 Variable area light reflecting assembly
12/02/1986US4626070 Construction panel
11/1986
11/12/1986EP0200876A1 Arrangement for lighting a room with daylight
11/04/1986US4620771 Combined solar tracking reflector and photovoltaic panel
09/1986
09/17/1986EP0194820A2 Radiation collector and reflector
09/16/1986US4611891 Support panels for parabolic reflectors
09/09/1986US4610501 Light by-passing device
09/09/1986CA1211015A1 Sunbeam concentrating and collecting apparatus
09/02/1986US4609974 Light radiator
08/1986
08/19/1986CA1209834A1 Selectively light transmitting panel
06/1986
06/10/1986US4593976 Solar illumination device
05/1986
05/28/1986EP0182310A1 Light radiator
05/27/1986US4590921 Parabolic reflector
05/14/1986EP0180979A2 Parabolic reflector
04/1986
04/01/1986US4580195 Light projector
03/1986
03/13/1986WO1986001611A1 Combined solar tracking reflector and photovoltaic panel
03/11/1986US4575197 Conical beam concentrator
03/11/1986US4575196 Conical beam concentrator
03/05/1986EP0173343A2 A solar ray energy collecting device
02/1986
02/26/1986EP0172500A2 Light radiator
02/25/1986US4572613 Method and apparatus for illuminating a spot inside of a tunnel of a highway
02/19/1986EP0171767A2 A light radiator
02/04/1986US4568156 Tracking apparatus for parabolic reflectors
01/1986
01/21/1986US4565185 Foundation for mounting solar ray collecting devices
01/08/1986EP0166866A2 Light diverting device
01/02/1986EP0166339A1 A light radiator
12/1985
12/11/1985EP0164129A2 Light radiator
12/11/1985EP0163848A1 A sunshine illuminating device
12/10/1985US4557565 Beam sunlighting device for building interiors
09/1985
09/17/1985US4541414 Apparatus for collecting sunlight
09/10/1985US4540241 Construction panel
09/03/1985US4539625 Lighting system combining daylight concentrators and an artificial source
09/03/1985CA1192791A1 Light wall panel with reflector profile strips
08/1985
08/27/1985US4538218 Skylight sensor and control system
08/20/1985US4536828 Lighting device
07/1985
07/17/1985EP0148350A1 A light radiation system
07/17/1985EP0148291A1 Light conducting member
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